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参数资料
| 型号： | DS83C530-ENL |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Microcontroller |
| 英文描述： | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52 |
| 封装： | TQFP-52 |
| 文件页数： | 11/44页 |
| 文件大小： | 754K |
| 代理商： | DS83C530-ENL |
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DS87C530/DS83C530
19 of 44
PMM CONTROL AND STATUS BIT SUMMARY Table 7
BIT NAME
LOCATION
FUNCTION
RESET
WRITE ACCESS
XT/ RG
EXIF.3
Control. XT/ RG =1, runs from crystal
or external clock; XT/ RG =0, runs
from internal ring oscillator.
X
0 to 1 only when
XTUP=1 and
XTOFF=0
RGMD
EXIF.2
Status. RGMD=1, CPU clock = ring;
RGMD=0, CPU clock = crystal.
0
None
CD1, CD0
PMR7,
PMR.6
Control. CD1,0=01, 4 clocks;
CS1,0=10, PMM1; CD1,0=11,
PMM2.
0, 1
Write CD1,0=10 or
11 only from
CD1,0=01
SWB
PMR.5
Control. SWB=1, hardware invokes
switchback to 4 clocks, SWB=0, no
hardware switchback.
0
Unrestricted
XTOFF
PMR.3
Control. Disables crystal operation
after ring is selected.
0
1 only when
XT/ RG =0
PIP
STATUS.7
Status. 1 indicates a power-fail
interrupt in service.
0
None
HIP
STATUS.6
Status. 1 indicates high priority
interrupt in service.
0
None
LIP
STATUS.5
Status. 1 indicates low priority
interrupt in service.
0
None
XTUP
STATUS.4
Status. 1 indicates that the crystal has
stabilized.
1
None
SPTA1
STATUS.3
Status. Serial transmission on serial
port 1.
0
None
SPRA1
STATUS.2
Status. Serial word reception on serial
port 1.
0
None
SPTA0
STATUS.1
Status. Serial transmission on serial
port 0.
0
None
SPRA0
STATUS.0
Status. Serial word reception on serial
port 0.
0
None
相关PDF资料 |
PDF描述 |
|---|---|
| DS87C530-ECL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52 |
| DS87C520-MCL | 8-BIT, OTPROM, MICROCONTROLLER, PDIP40 |
| DS87C520-QNL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44 |
| DS87C520-QCL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44 |
| DS87C520-ECL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP44 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS83C530-ENL+ | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-QCL | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EPROM/ROM Micro with Real Time Clock |
| DS83C530-QCL+ | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-QNL | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-QNL+ | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
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